private void loadExtensions(
Wallet wallet, WalletExtension[] extensionsList, Protos.Wallet walletProto)
throws UnreadableWalletException {
final Map<String, WalletExtension> extensions = new HashMap<String, WalletExtension>();
for (WalletExtension e : extensionsList) extensions.put(e.getWalletExtensionID(), e);
// The Wallet object, if subclassed, might have added some extensions to itself already. In that
// case, don't
// expect them to be passed in, just fetch them here and don't re-add.
extensions.putAll(wallet.getExtensions());
for (Protos.Extension extProto : walletProto.getExtensionList()) {
String id = extProto.getId();
WalletExtension extension = extensions.get(id);
if (extension == null) {
if (extProto.getMandatory()) {
if (requireMandatoryExtensions)
throw new UnreadableWalletException("Unknown mandatory extension in wallet: " + id);
else log.error("Unknown extension in wallet {}, ignoring", id);
}
} else {
log.info("Loading wallet extension {}", id);
try {
extension.deserializeWalletExtension(wallet, extProto.getData().toByteArray());
wallet.addOrGetExistingExtension(extension);
} catch (Exception e) {
if (extProto.getMandatory() && requireMandatoryExtensions)
throw new UnreadableWalletException(
"Could not parse mandatory extension in wallet: " + id);
else log.error("Error whilst reading extension {}, ignoring", id, e);
}
}
}
}
private static void populateExtensions(Wallet wallet, Protos.Wallet.Builder walletBuilder) {
for (WalletExtension extension : wallet.getExtensions().values()) {
Protos.Extension.Builder proto = Protos.Extension.newBuilder();
proto.setId(extension.getWalletExtensionID());
proto.setMandatory(extension.isWalletExtensionMandatory());
proto.setData(ByteString.copyFrom(extension.serializeWalletExtension()));
walletBuilder.addExtension(proto);
}
}